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93bcfd20 BC |
1 | #ifndef FIO_OS_WINDOWS_H |
2 | #define FIO_OS_WINDOWS_H | |
3 | ||
4 | #define FIO_OS os_windows | |
5 | ||
6 | #include <sys/types.h> | |
7 | #include <sys/shm.h> | |
8 | #include <sys/stat.h> | |
9 | #include <errno.h> | |
10 | #include <windows.h> | |
11 | #include <psapi.h> | |
12 | #include <stdlib.h> | |
13 | ||
14 | #include "../smalloc.h" | |
15 | #include "../file.h" | |
16 | #include "../log.h" | |
17 | ||
1f81991e JA |
18 | #include "windows/posix.h" |
19 | ||
93bcfd20 BC |
20 | #define FIO_HAVE_ODIRECT |
21 | #define FIO_HAVE_CPU_AFFINITY | |
22 | #define FIO_HAVE_CHARDEV_SIZE | |
93bcfd20 | 23 | #define FIO_HAVE_GETTID |
93bcfd20 BC |
24 | #define FIO_USE_GENERIC_RAND |
25 | ||
26 | #define FIO_PREFERRED_ENGINE "windowsaio" | |
27 | #define FIO_PREFERRED_CLOCK_SOURCE CS_CGETTIME | |
28 | #define FIO_OS_PATH_SEPARATOR "\\" | |
29 | ||
30 | #define FIO_MAX_CPUS MAXIMUM_PROCESSORS | |
31 | ||
93bcfd20 BC |
32 | #define OS_MAP_ANON MAP_ANON |
33 | ||
93bcfd20 BC |
34 | #define fio_swap16(x) _byteswap_ushort(x) |
35 | #define fio_swap32(x) _byteswap_ulong(x) | |
36 | #define fio_swap64(x) _byteswap_uint64(x) | |
37 | ||
93bcfd20 BC |
38 | typedef DWORD_PTR os_cpu_mask_t; |
39 | ||
40 | #define CLOCK_REALTIME 1 | |
41 | #define CLOCK_MONOTONIC 2 | |
42 | ||
43 | #define _SC_PAGESIZE 0x1 | |
44 | #define _SC_NPROCESSORS_ONLN 0x2 | |
45 | #define _SC_PHYS_PAGES 0x4 | |
46 | ||
47 | #define SA_RESTART 0 | |
48 | #define SIGPIPE 0 | |
49 | ||
50 | /* | |
51 | * Windows doesn't have O_DIRECT or O_SYNC, so define them | |
52 | * here so we can reject them at runtime when using the _open | |
53 | * interface (windowsaio uses CreateFile) | |
54 | */ | |
55 | #define O_DIRECT 0x1000000 | |
56 | #define O_SYNC 0x2000000 | |
57 | ||
58 | /* Windows doesn't support madvise, so any values will work */ | |
59 | #define POSIX_MADV_DONTNEED 0 | |
60 | #define POSIX_MADV_SEQUENTIAL 0 | |
61 | #define POSIX_MADV_RANDOM 0 | |
62 | ||
63 | #define F_SETFL 0x1 | |
64 | #define F_GETFL 0x2 | |
65 | #define O_NONBLOCK FIONBIO | |
66 | ||
67 | /* Winsock doesn't support MSG_WAIT */ | |
68 | #define OS_MSG_DONTWAIT 0 | |
69 | ||
70 | #define POLLOUT 1 | |
71 | #define POLLIN 2 | |
72 | #define POLLERR 0 | |
73 | #define POLLHUP 1 | |
74 | ||
75 | #define SIGCONT 0 | |
84306c1d | 76 | #define SIGUSR1 1 |
2277d5d5 | 77 | #define SIGUSR2 2 |
93bcfd20 BC |
78 | |
79 | typedef int sigset_t; | |
80 | typedef int siginfo_t; | |
81 | ||
82 | struct sigaction | |
83 | { | |
84 | void (*sa_handler)(int); | |
85 | sigset_t sa_mask; | |
86 | int sa_flags; | |
87 | void* (*sa_sigaction)(int, siginfo_t *, void*); | |
88 | }; | |
89 | ||
93bcfd20 BC |
90 | long sysconf(int name); |
91 | ||
92 | int kill(pid_t pid, int sig); | |
93 | pid_t setsid(void); | |
94 | int setgid(gid_t gid); | |
95 | int setuid(uid_t uid); | |
96 | int nice(int incr); | |
97 | int sigaction(int sig, const struct sigaction *act, | |
98 | struct sigaction *oact); | |
99 | int fsync(int fildes); | |
100 | int fork(void); | |
101 | int fcntl(int fildes, int cmd, ...); | |
102 | int fdatasync(int fildes); | |
103 | int lstat(const char * path, struct stat * buf); | |
104 | uid_t geteuid(void); | |
105 | int nanosleep(const struct timespec *rqtp, struct timespec *rmtp); | |
106 | ssize_t pread(int fildes, void *buf, size_t nbyte, off_t offset); | |
107 | ssize_t pwrite(int fildes, const void *buf, size_t nbyte, | |
108 | off_t offset); | |
109 | extern void td_fill_rand_seeds(struct thread_data *); | |
110 | ||
111 | static inline int blockdev_size(struct fio_file *f, unsigned long long *bytes) | |
112 | { | |
113 | int rc = 0; | |
114 | HANDLE hFile; | |
115 | ||
116 | if (f->hFile == NULL) { | |
117 | hFile = CreateFile(f->file_name, GENERIC_READ, FILE_SHARE_READ | FILE_SHARE_WRITE, | |
118 | NULL, OPEN_EXISTING, 0, NULL); | |
119 | } else { | |
120 | hFile = f->hFile; | |
121 | } | |
122 | ||
123 | GET_LENGTH_INFORMATION info; | |
124 | DWORD outBytes; | |
125 | LARGE_INTEGER size; | |
126 | size.QuadPart = 0; | |
127 | if (DeviceIoControl(hFile, IOCTL_DISK_GET_LENGTH_INFO, NULL, 0, &info, sizeof(info), &outBytes, NULL)) | |
128 | *bytes = info.Length.QuadPart; | |
129 | else | |
130 | rc = EIO; | |
131 | ||
132 | /* If we were passed a POSIX fd, | |
133 | * close the HANDLE we created via CreateFile */ | |
134 | if (hFile != INVALID_HANDLE_VALUE && f->hFile == NULL) | |
135 | CloseHandle(hFile); | |
136 | ||
137 | return rc; | |
138 | } | |
139 | ||
140 | static inline int chardev_size(struct fio_file *f, unsigned long long *bytes) | |
141 | { | |
142 | return blockdev_size(f, bytes); | |
143 | } | |
144 | ||
145 | static inline int blockdev_invalidate_cache(struct fio_file *f) | |
146 | { | |
147 | /* There's no way to invalidate the cache in Windows | |
148 | * so just pretend to succeed */ | |
149 | return 0; | |
150 | } | |
151 | ||
152 | static inline unsigned long long os_phys_mem(void) | |
153 | { | |
154 | SYSTEM_INFO sysInfo; | |
155 | uintptr_t addr; | |
156 | ||
157 | GetSystemInfo(&sysInfo); | |
158 | addr = (uintptr_t)sysInfo.lpMaximumApplicationAddress; | |
159 | return (unsigned long long)addr; | |
160 | } | |
161 | ||
162 | static inline void os_get_tmpdir(char *path, int len) | |
163 | { | |
164 | GetTempPath(len, path); | |
165 | } | |
166 | ||
167 | static inline int gettid(void) | |
168 | { | |
169 | return GetCurrentThreadId(); | |
170 | } | |
171 | ||
172 | static inline int fio_setaffinity(int pid, os_cpu_mask_t cpumask) | |
173 | { | |
174 | HANDLE h; | |
175 | BOOL bSuccess = FALSE; | |
176 | ||
177 | h = OpenThread(THREAD_QUERY_INFORMATION | THREAD_SET_INFORMATION, TRUE, pid); | |
178 | if (h != NULL) { | |
179 | bSuccess = SetThreadAffinityMask(h, cpumask); | |
3cf1ff44 BC |
180 | if (!bSuccess) |
181 | log_err("fio_setaffinity failed: failed to set thread affinity (pid %d, mask %.16llx)\n", pid, cpumask); | |
182 | ||
93bcfd20 | 183 | CloseHandle(h); |
3cf1ff44 BC |
184 | } else { |
185 | log_err("fio_setaffinity failed: failed to get handle for pid %d\n", pid); | |
93bcfd20 BC |
186 | } |
187 | ||
188 | return (bSuccess)? 0 : -1; | |
189 | } | |
190 | ||
191 | static inline void fio_getaffinity(int pid, os_cpu_mask_t *mask) | |
192 | { | |
193 | os_cpu_mask_t systemMask; | |
194 | ||
195 | HANDLE h = OpenProcess(PROCESS_QUERY_INFORMATION, TRUE, pid); | |
196 | ||
197 | if (h != NULL) { | |
198 | GetProcessAffinityMask(h, mask, &systemMask); | |
199 | CloseHandle(h); | |
200 | } else { | |
201 | log_err("fio_getaffinity failed: failed to get handle for pid %d\n", pid); | |
202 | } | |
203 | } | |
204 | ||
205 | static inline void fio_cpu_clear(os_cpu_mask_t *mask, int cpu) | |
206 | { | |
207 | *mask ^= 1 << (cpu-1); | |
208 | } | |
209 | ||
210 | static inline void fio_cpu_set(os_cpu_mask_t *mask, int cpu) | |
211 | { | |
3cf1ff44 | 212 | *mask |= 1 << cpu; |
93bcfd20 BC |
213 | } |
214 | ||
215 | static inline int fio_cpuset_init(os_cpu_mask_t *mask) | |
216 | { | |
217 | *mask = 0; | |
218 | return 0; | |
219 | } | |
220 | ||
221 | static inline int fio_cpuset_exit(os_cpu_mask_t *mask) | |
222 | { | |
223 | return 0; | |
224 | } | |
225 | ||
226 | static inline int init_random_state(struct thread_data *td, unsigned long *rand_seeds, int size) | |
227 | { | |
228 | HCRYPTPROV hCryptProv; | |
229 | ||
230 | if (!CryptAcquireContext(&hCryptProv, NULL, NULL, PROV_RSA_FULL, CRYPT_VERIFYCONTEXT)) | |
231 | { | |
232 | errno = GetLastError(); | |
233 | log_err("CryptAcquireContext() failed: error %d\n", errno); | |
234 | return 1; | |
235 | } | |
236 | ||
237 | if (!CryptGenRandom(hCryptProv, size, (BYTE*)rand_seeds)) { | |
238 | errno = GetLastError(); | |
239 | log_err("CryptGenRandom() failed, error %d\n", errno); | |
240 | CryptReleaseContext(hCryptProv, 0); | |
241 | return 1; | |
242 | } | |
243 | ||
244 | CryptReleaseContext(hCryptProv, 0); | |
245 | td_fill_rand_seeds(td); | |
246 | return 0; | |
247 | } | |
248 | ||
249 | ||
f2a2ce0e HL |
250 | static inline int fio_set_sched_idle(void) |
251 | { | |
252 | /* SetThreadPriority returns nonzero for success */ | |
253 | return (SetThreadPriority(GetCurrentThread(), THREAD_PRIORITY_IDLE))? 0 : -1; | |
254 | } | |
255 | ||
256 | ||
93bcfd20 | 257 | #endif /* FIO_OS_WINDOWS_H */ |